123313112123 has 8 divisors (see below), whose sum is σ = 124234864992. Its totient is φ = 122393542336.

The previous prime is 123313112089. The next prime is 123313112147. The reversal of 123313112123 is 321211313321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123313112123 - 2³⁰ = 122239370299 is a prime.

It is a super-2 number, since 2×123313112123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313112423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432290 + ... + 658407.

It is an arithmetic number, because the mean of its divisors is an integer number (15529358124).

Almost surely, 2^123313112123 is an apocalyptic number.

123313112123 is a deficient number, since it is larger than the sum of its proper divisors (921752869).

123313112123 is a wasteful number, since it uses less digits than its factorization.

123313112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091541.

The product of its digits is 648, while the sum is 23.

Adding to 123313112123 its reverse (321211313321), we get a palindrome (444524425444).

The spelling of 123313112123 in words is "one hundred twenty-three billion, three hundred thirteen million, one hundred twelve thousand, one hundred twenty-three".